The Brief History Of 8085

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THE BRIEF HISTORY OF 8085 MICROPROCESSOR & THEIR APPLICATIONS:

THE BRIEF HISTORY OF 8085 MICROPROCESSOR & THEIR APPLICATIONS PRESENTED BY SAYANTANI BRAHMA

WHAT IS MICROPROCESSOR ?:

WHAT IS MICROPROCESSOR ? The Microprocessor is a Programmable device . It has computing & decision making capabilities. Fig:- Microprocessor Chip

HOW DOES THE MICROPROCESSOR WORK ?:

HOW DOES THE MICROPROCESSOR WORK ? The Microprocessor reads BINARY instructions from a storage device, called – MEMORY . It accepts binary data as input and processes data according to the instructions. Fig:-BASIC MICROPROCESSOR BASED SYSTEM ARCHITECTURE

TYPES OF MICROPROCESSOR:

TYPES OF MICROPROCESSOR CISC ( Complex Instruction Set Computer ) RISC ( Reduced Instruction Set Computer ) VLIW ( Very Long Instruction Word Computers ) SUPER SCALAR PROCESSOR

4 – BIT MICROPROCESSORS:

4 – BIT MICROPROCESSORS World’s FIRST Microprocessor is – INTEL 4004. It is a 4 bit microprocessor based on LSI Technology. APPLICATION:- Video games, Microwave ovens, Calculators. DRAWBACKS:- Slow, Small Memory Size. Fig:- INTEL 4004

8 – BIT MICROPROCESSORS:

8 – BIT MICROPROCESSORS In 1972,8-bit microprocessor Intel 8008 had been launched. It can address 16KB memory. In 1974, Intel 8080 came with 10 times higher speed. Addresses 64KB memory. APPLICATION:- Calculator, Traffic Signal Control, Altair 8800 Computer (First PC). Fig:- INTEL 8008 Fig:- INTEL 8080

Z- 80 MICROPROCESSOR:

Z- 80 MICROPROCESSOR Z-80 microprocessor is manufactured by Zilog Corporation on July,1976. It has 16bit Address Bus & 8bit Data Bus. Required less hardware for power supply. Fig:- Zilog Z-80

APPLICATIONS OF Z-80:

APPLICATIONS OF Z-80 Fig:- WRIST COMPUTER Fig:-Z80 CPU formed on Glass Substrate Fig:- Programming Graphing Calculator

BASIC FEATURES OF 8085:

BASIC FEATURES OF 8085 8085 is a 8-bit microprocessor. It is capable of addressing 64KB of memory. It has 40 pins & requires +5V of power supply. Required Clock frequency is 3MHz . Fig:- Intel 8085

DEMULTIPLEXING OF AD7-AD0:

DEMULTIPLEXING OF AD7-AD0 A15-A8 Latch AD7-AD0 D 7 - D 0 A 7 - A 0 8085 ALE Fig:- Demultiplexing of Address/ Data Lines HIGHER ORDER ADDRESS BUS LOWER ORDER ADDRESS BUS DATA BUS

APPLICATIONS OF 8085:

APPLICATIONS OF 8085 WordStar Automatic Water Level Controller Automatic Plant Irrigator Traffic Control System

WHERE WE STAND NOW ?:

WHERE WE STAND NOW ? 4-BIT MP 8-BIT MP 16-BIT MP 32-BIT MP 64-BIT MP Intel 4004 Intel 8008, 8080, 8085, Z-80 Intel 8086, 8088, 80186, 80286 Intel 80386, 80486, Pentium P5, P6,Pentium 4 Itanium, Pentium Dual Core, Core i3, i5, i7 Latest Version of Intel Microprocessor – Core i7. Introduced on 16 March,2010

THE LATEST WONDER:

THE LATEST WONDER Fig:- World’s First Flexible Organic Microprocessor

FUTURE ASCEPTS:

FUTURE ASCEPTS Microprocessors are increasingly playing a major role in the modern society. To-day, the processors can be seen as a set of several sub-processors working for a single program. Possibly in the future, the microprocessor chip will hold several processors working in parallel for several program threads. Fig:- 10 th Generation of Itanium chip having 3 billion Transistors

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